html,
body {
    height: 100%;
}

body {
    line-height: 1.5;
    font-family: "Microsoft YaHei", arial, "\5b8b\4f53";
    background: #fff;
}

body,
div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
pre,
code,
form,
fieldset,
legend,
input,
button,
textarea,
p,
blockquote,
th,
td {
    margin: 0;
    padding: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-size: 100%;
}

ol,
ul {
    list-style: none;
}

address,
caption,
cite,
code,
dfn,
em,
strong,
th,
var,
optgroup {
    font-style: normal;
}

input,
button,
textarea,
select,
optgroup,
option {
    font-family: inherit;
    font-size: inherit;
    font-style: inherit;
    font-weight: inherit;
    *font-size: 100%;
}

fieldset,
img,
a img,
 :link img,
 :visited img {
    border: 0;
}

a {
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

 :focus {
    outline: 0;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

caption,
th {
    text-align: left;
}

sup,
sub {
    font-size: 100%;
    vertical-align: baseline;
}

blockquote,
q {
    quotes: none;
}

blockquote:before,
blockquote:after,
q:before,
q:after {
    content: '';
    content: none;
}

input,
img,select {
    margin: 0;
    padding: 0;
    outline-style: none;
    vertical-align: middle;
}

img {
    border: 0 none;
}

i,
s {
    font-style: normal;
    text-decoration: none;
}

textarea {
    resize: none;
}

input[type=checkbox],
input[type=radio] {
    margin: 0;
}

.noBorder {
    border: 0;
    border: none;
}

.nobg {
    background-color: #fff !important;
}

.cp {
    cursor: pointer;
}

.tcenter {
    text-align: center;
}

.none {
    display: none;
}

.block {
    display: block;
}

.clear,
.clearfix:after {
    clear: both;
    height: 0;
    line-height: 0;
    visibility: hidden;
    overflow: hidden;
    display: block;
}

.clearfix:after {
    visibility: hidden;
    content: ".";
}

.clearfix {
    *zoom: 1;
}

.fl {
    float: left;
}

.fr {
    float: right;
}


/*! normalize.css v6.0.0 | MIT License | github.com/necolas/normalize.css */


/* Document
   ========================================================================== */


/**
 * 1. Correct the line height in all browsers.
 * 2. Prevent adjustments of font size after orientation changes in
 *    IE on Windows Phone and in iOS.
 */

html {
    line-height: 1.15;
    /* 1 */
    -ms-text-size-adjust: 100%;
    /* 2 */
    -webkit-text-size-adjust: 100%;
    /* 2 */
}

body {
    -webkit-touch-callout: none;
    font-family: -apple-system-font, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: inherit
}


/* Sections
     ========================================================================== */


/**
   * Add the correct display in IE 9-.
   */

article,
aside,
footer,
header,
nav,
section {
    display: block;
}


/**
   * Correct the font size and margin on `h1` elements within `section` and
   * `article` contexts in Chrome, Firefox, and Safari.
   */

h1 {
    font-size: 2em;
    margin: 0.67em 0;
}


/* Grouping content
     ========================================================================== */


/**
   * Add the correct display in IE 9-.
   * 1. Add the correct display in IE.
   */

figcaption,
figure,
main {
    /* 1 */
    display: block;
}


/**
   * Add the correct margin in IE 8.
   */

figure {
    margin: 1em 40px;
}


/**
   * 1. Add the correct box sizing in Firefox.
   * 2. Show the overflow in Edge and IE.
   */

hr {
    box-sizing: content-box;
    /* 1 */
    height: 0;
    /* 1 */
    overflow: visible;
    /* 2 */
}


/**
   * 1. Correct the inheritance and scaling of font size in all browsers.
   * 2. Correct the odd `em` font sizing in all browsers.
   */

pre {
    font-family: monospace, monospace;
    /* 1 */
    font-size: 1em;
    /* 2 */
}


/* Text-level semantics
     ========================================================================== */


/**
   * 1. Remove the gray background on active links in IE 10.
   * 2. Remove gaps in links underline in iOS 8+ and Safari 8+.
   */

a {
    background-color: transparent;
    /* 1 */
    -webkit-text-decoration-skip: objects;
    /* 2 */
}


/**
   * 1. Remove the bottom border in Chrome 57- and Firefox 39-.
   * 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
   */

abbr[title] {
    border-bottom: none;
    /* 1 */
    text-decoration: underline;
    /* 2 */
    text-decoration: underline dotted;
    /* 2 */
}


/**
   * Prevent the duplicate application of `bolder` by the next rule in Safari 6.
   */

b,
strong {
    font-weight: inherit;
}


/**
   * Add the correct font weight in Chrome, Edge, and Safari.
   */

b,
strong {
    font-weight: bolder;
}


/**
   * 1. Correct the inheritance and scaling of font size in all browsers.
   * 2. Correct the odd `em` font sizing in all browsers.
   */

code,
kbd,
samp {
    font-family: monospace, monospace;
    /* 1 */
    font-size: 1em;
    /* 2 */
}


/**
   * Add the correct font style in Android 4.3-.
   */

dfn {
    font-style: italic;
}


/**
   * Add the correct background and color in IE 9-.
   */

mark {
    background-color: #ff0;
    color: #000;
}


/**
   * Add the correct font size in all browsers.
   */

small {
    font-size: 80%;
}


/**
   * Prevent `sub` and `sup` elements from affecting the line height in
   * all browsers.
   */

sub,
sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
}

sub {
    bottom: -0.25em;
}

sup {
    top: -0.5em;
}


/* Embedded content
     ========================================================================== */


/**
   * Add the correct display in IE 9-.
   */

audio,
video {
    display: inline-block;
}


/**
   * Add the correct display in iOS 4-7.
   */

audio:not([controls]) {
    display: none;
    height: 0;
}


/**
   * Remove the border on images inside links in IE 10-.
   */

img {
    border-style: none;
}


/**
   * Hide the overflow in IE.
   */

svg:not(:root) {
    overflow: hidden;
}


/* Forms
     ========================================================================== */


/**
   * Remove the margin in Firefox and Safari.
   */

button,
input,
optgroup,
select,
textarea {
    margin: 0;
}


/**
   * Show the overflow in IE.
   * 1. Show the overflow in Edge.
   */

button,
input {
    /* 1 */
    overflow: visible;
}


/**
   * Remove the inheritance of text transform in Edge, Firefox, and IE.
   * 1. Remove the inheritance of text transform in Firefox.
   */

button,
select {
    /* 1 */
    text-transform: none;
}


/**
   * 1. Prevent a WebKit bug where (2) destroys native `audio` and `video`
   *    controls in Android 4.
   * 2. Correct the inability to style clickable types in iOS and Safari.
   */

button,
html [type="button"],

/* 1 */

[type="reset"],
[type="submit"] {
    -webkit-appearance: button;
    /* 2 */
}


/**
   * Remove the inner border and padding in Firefox.
   */

button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
    border-style: none;
    padding: 0;
}


/**
   * Restore the focus styles unset by the previous rule.
   */

button:-moz-focusring,
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring {
    outline: 1px dotted ButtonText;
}


/**
   * 1. Correct the text wrapping in Edge and IE.
   * 2. Correct the color inheritance from `fieldset` elements in IE.
   * 3. Remove the padding so developers are not caught out when they zero out
   *    `fieldset` elements in all browsers.
   */

legend {
    box-sizing: border-box;
    /* 1 */
    color: inherit;
    /* 2 */
    display: table;
    /* 1 */
    max-width: 100%;
    /* 1 */
    padding: 0;
    /* 3 */
    white-space: normal;
    /* 1 */
}


/**
   * 1. Add the correct display in IE 9-.
   * 2. Add the correct vertical alignment in Chrome, Firefox, and Opera.
   */

progress {
    display: inline-block;
    /* 1 */
    vertical-align: baseline;
    /* 2 */
}


/**
   * Remove the default vertical scrollbar in IE.
   */

textarea {
    overflow: auto;
}


/**
   * 1. Add the correct box sizing in IE 10-.
   * 2. Remove the padding in IE 10-.
   */

[type="checkbox"],
[type="radio"] {
    box-sizing: border-box;
    /* 1 */
    padding: 0;
    /* 2 */
}


/**
   * Correct the cursor style of increment and decrement buttons in Chrome.
   */

[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
    height: auto;
}


/**
   * 1. Correct the odd appearance in Chrome and Safari.
   * 2. Correct the outline style in Safari.
   */

[type="search"] {
    -webkit-appearance: textfield;
    /* 1 */
    outline-offset: -2px;
    /* 2 */
}


/**
   * Remove the inner padding and cancel buttons in Chrome and Safari on macOS.
   */

[type="search"]::-webkit-search-cancel-button,
[type="search"]::-webkit-search-decoration {
    -webkit-appearance: none;
}


/**
   * 1. Correct the inability to style clickable types in iOS and Safari.
   * 2. Change font properties to `inherit` in Safari.
   */

 ::-webkit-file-upload-button {
    -webkit-appearance: button;
    /* 1 */
    font: inherit;
    /* 2 */
}


/* Interactive
     ========================================================================== */


/*
   * Add the correct display in IE 9-.
   * 1. Add the correct display in Edge, IE, and Firefox.
   */

details,

/* 1 */

menu {
    display: block;
}


/*
   * Add the correct display in all browsers.
   */

summary {
    display: list-item;
}


/* Scripting
     ========================================================================== */


/**
   * Add the correct display in IE 9-.
   */

canvas {
    display: inline-block;
}


/**
   * Add the correct display in IE.
   */

template {
    display: none;
}


/* Hidden
     ========================================================================== */


/**
   * Add the correct display in IE 10-.
   */

[hidden] {
    display: none;
}

a,
a:hover {
    text-decoration: none;
}

// 媒体查询
html {
    font-size: (375px/20);
}

@media screen and (width:320px) {
    html {
        font-size: (320px/20);
    }
}

@media screen and (width:375px) {
    html {
        font-size: (375px/20);
    }
}

@media screen and (width:414px) {
    html {
        font-size: (414px/20);
    }
}

@media screen and (width:380px) {
    html {
        font-size: (380px/20);
    }
}

@media screen and (width:360px) {
    html {
        font-size: (360px/20);
    }
}